35 lines
1.2 KiB
Diff
35 lines
1.2 KiB
Diff
From c99e322d8f8ea6835f2d8aff4ca33d36410c4233 Mon Sep 17 00:00:00 2001
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From: rpm-build <rpm-build>
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Date: Wed, 6 Mar 2024 19:17:14 +0100
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Subject: [PATCH 05/53] RH: Disable signature verification with bad digests -
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REVIEW
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Patch-name: 0006-Disable-signature-verification-with-totally-unsafe-h.patch
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Patch-id: 6
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Patch-status: |
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# # Disable signature verification with totally unsafe hash algorithms
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From-dist-git-commit: 4334bc837fbc64d14890fdc51679a80770d498ce
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---
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crypto/asn1/a_verify.c | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/crypto/asn1/a_verify.c b/crypto/asn1/a_verify.c
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index f6cac80962..fbc6ce6e30 100644
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--- a/crypto/asn1/a_verify.c
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+++ b/crypto/asn1/a_verify.c
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@@ -151,6 +151,11 @@ int ASN1_item_verify_ctx(const ASN1_ITEM *it, const X509_ALGOR *alg,
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ERR_raise(ERR_LIB_ASN1, ERR_R_EVP_LIB);
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if (ret <= 1)
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goto err;
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+ } else if ((mdnid == NID_md5
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+ && ossl_safe_getenv("OPENSSL_ENABLE_MD5_VERIFY") == NULL) ||
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+ mdnid == NID_md4 || mdnid == NID_md2 || mdnid == NID_sha) {
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+ ERR_raise(ERR_LIB_ASN1, ASN1_R_UNKNOWN_MESSAGE_DIGEST_ALGORITHM);
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+ goto err;
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} else {
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const EVP_MD *type = NULL;
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--
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2.50.0
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